/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneSequenceWeights.h
Set the weights of the specifieid sequence IDs by creating new HierarchicalEasingProvider entities and assigning their weights
void SetWeights ( const [TSortedMap](API\Runtime\Core\Containers\TSortedMap)< [FMovieSceneSequenceID](API\Runtime\MovieScene\FMovieSceneSequenceID), double > & Weights )